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lint: use derive more

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Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-10-14 13:25:12 +01:00
parent ea5d258a75
commit 21d3bbd8b6
2 changed files with 20 additions and 26 deletions
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25
compiler/rustc_lint/src/errors.rs
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@ -88,34 +88,13 @@ pub struct BuiltinEllpisisInclusiveRangePatterns {
pub replace: String,
}
#[derive(Subdiagnostic)]
#[note(lint::requested_level)]
pub struct RequestedLevel {
pub level: Level,
pub lint_name: String,
}
impl AddToDiagnostic for RequestedLevel {
fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
where
F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
{
diag.note(fluent::lint::requested_level);
diag.set_arg(
"level",
match self.level {
Level::Allow => "-A",
Level::Warn => "-W",
Level::ForceWarn(_) => "--force-warn",
Level::Deny => "-D",
Level::Forbid => "-F",
Level::Expect(_) => {
unreachable!("lints with the level of `expect` should not run this code");
}
},
);
diag.set_arg("lint_name", self.lint_name);
}
}
#[derive(Diagnostic)]
#[diag(lint::unsupported_group, code = "E0602")]
pub struct UnsupportedGroup {